[Bug 99761] New: [byt] Unclaimed read from 0x1f0024 [PIPESTAT]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99761

            Bug ID: 99761
           Summary: [byt] Unclaimed read from 0x1f0024 [PIPESTAT]
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: chris at chris-wilson.co.uk
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

[12493.693616] ------------[ cut here ]------------
[12493.693827] WARNING: CPU: 1 PID: 14860 at
drivers/gpu/drm/i915/intel_uncore.c:795 __unclaimed_reg_debug+0x5d/0x80 [i915]
[12493.693868] Unclaimed read from register 0x1f0024
[12493.693905] Modules linked in: vgem i915 drm_kms_helper drm intel_gtt
i2c_algo_bit syscopyarea sysfillrect sysimgblt fb_sys_fops prime_numbers
intel_powerclamp crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel
cryptd lpc_ich i2c_i801 mfd_core video i2c_designware_platform
i2c_designware_core i2c_core button autofs4 sd_mod ahci libahci libata scsi_mod
[last unloaded: i915]
[12493.694039] CPU: 1 PID: 14860 Comm: intel-gpu-overl Tainted: G     U        
 4.10.0-rc7+ #11
[12493.694079] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F8
03/02/2016
[12493.694121] Call Trace:
[12493.694169]  dump_stack+0x67/0x9d
[12493.694235]  __warn+0x117/0x140
[12493.694288]  warn_slowpath_fmt+0x4f/0x60
[12493.694344]  ? do_raw_spin_lock+0x116/0x180
[12493.694533]  ? check_for_unclaimed_mmio+0x98/0xe0 [i915]
[12493.694727]  __unclaimed_reg_debug+0x5d/0x80 [i915]
[12493.694923]  fwtable_read32+0x2c5/0x330 [i915]
[12493.695108]  i915_interrupt_info+0xd52/0xf80 [i915]
[12493.695302]  ? gen6_write16+0x310/0x310 [i915]
[12493.695357]  seq_read+0x187/0x710
[12493.695412]  full_proxy_read+0x75/0xc0
[12493.695472]  __vfs_read+0x5a/0x220
[12493.695524]  ? kmem_cache_free+0x6c/0x260
[12493.695577]  ? putname+0x97/0xa0
[12493.695629]  ? putname+0x97/0xa0
[12493.695682]  ? rcu_read_lock_sched_held+0xb8/0xd0
[12493.695735]  ? rw_verify_area+0x65/0x140
[12493.695787]  vfs_read+0xd1/0x1f0
[12493.695840]  SyS_read+0x62/0xc0
[12493.695893]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[12493.695943] RIP: 0033:0x7f82dca99ba0
[12493.695985] RSP: 002b:00007ffc0bdfd4f8 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[12493.696031] RAX: ffffffffffffffda RBX: 00007ffc0be005a0 RCX:
00007f82dca99ba0
[12493.696073] RDX: 0000000000001fff RSI: 00007ffc0bdfd500 RDI:
000000000000001a
[12493.696115] RBP: ffffffff810fb639 R08: 302f6972642f6775 R09:
00007f82dca0999a
[12493.696157] R10: 00007f82dcd62760 R11: 0000000000000246 R12:
ffff880069a17f98
[12493.696199] R13: 00007ffc0bdfd428 R14: 0000000000000003 R15:
00007ffc0bdfd428
[12493.696250]  ? trace_hardirqs_off_caller+0xd9/0x130
[12493.696300] ---[ end trace 52ccf4d39793cc59 ]---

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20170210/f14cf64e/attachment-0001.html>